I know how you feel on the growth. They seem to grow slow when you stare at them constantly on a daily basis. lol Believe me that little guy will be big soon. Just give him/her a good diet and keep up with the water changes.
No joke, usually the largest ones are males. It's not hard, I'm not 100% right all the time but I can tell you I am 75% right most of the time lol.
Yeah and umbee's are easily the hardest to sex, I don't think I know anybody who can sex an umbee at 1 inches!!
The mirror test is very inaccurate for determining sex. And that one is way too small to tell bro. Give it a couple more months
Mirror test. Put a mirror up against the tank. When female umbee goes up to it there dorsal will go black. Male dorsal wont.
I tried it all 9 umbee pectorals go kinda dark but not there dorsal. One goes up to the mirror flars its gills and its head goes black, it will not let any other umbee go up to the mirror chase all of them away, he or she is very dominant and also the biggest. But i do not get any of the tell tale signs that people say they get.
Sounds funny to do does it work with bigger fish or smaller fish
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